Opie develops a crush at school. Believing Opie's crush is a classmate, Barney helps him try to woo her, only to discover that Opie's crush is his teacher, Miss Helen Crump.
Barney learns that in order to keep his job and pass the mandatory physical for the deputy's office, he must weigh more and be taller. Andy and Aunt Bee spend a week trying to stretch him and fatten him up. The day before the physical, however, Barney is still two pounds underweight, prompting Andy to seek an alternative solution to the problem.moreless
The Taylors invite Bee's sister and her husband Ollie for a visit for the first time in over a decade, but quickly remember why they had avoided seeing them for so long. After the miserable weekend, Andy and Aunt Bee secretly anticipate their company's departure, only to learn that they'll be staying for a whole week. Andy tries to find a sneaky way to send them home early.moreless
Ernest T. is back in Mayberry to get his diploma. He is so determined that Andy convinces Helen to allow him to attend class. E.T. is so out of control, she has to slap him across the knuckles to get his attention. Helen's discipline causes Ernest T. to fall in love with her, but doesn't get him any closer to learning, creating extra problems for Andy.moreless
An old beau of Aunt Bee comes to town to court her, but Andy finds him impossible to be around.
When Opie brings home a bad mark in arithmetic, Andy, fearing the boy will not get into college, puts too much pressure on him to study, which makes things worse.